126 



antennae (evenly rounded down to the sockets) 



Gnathoprosopis Perkins 



!!Mandibles channelled outwardly as in Hijhieus. rounded at 

 apex, sides of supraclypeal area ridged or angulate between 



the antennae -.-. Gnathylaeus n. gen. 



4. Scutellum and metanotnm normal Hylaeus, etc. 



Scutelhnn and nietanotnm produced posteriorly on either 

 side into a lateral laminate tooth or spine, superior face of 

 propodeum areolate, separated from the posterior face l)y a 

 carina, posterior face divided by a longitudinal carina, angu- 

 late and subcarinate at the sides, supraclypeal area narrowed 

 above margined, clypeus higher than broad at apex, first and 

 second cubital cells receiving the recurrent nervures near their 

 apices. 



S Apical narrow jiortion of stipes with black hairs, but 

 little longer than the basal part, slightly exceeding the sagittae, 

 eighth sternite produced into a rounded lamina as long as wide 

 as its base, carinate medially. 



Coloration black with yellow markings on the collar and 

 in the S upon the head and legs Mffi/hieits n. gen. 



14. NoTnvr.AKi's. n. gen. 



This genus so far is Ethiopian in its distribution. Several 

 species ])reviously described as species of Prm^opis are referable 

 here and three species from West Africa are here described, 

 one of them so peculiar as to warrant the erection of a subgenus 

 for its reception. Type Pivsopis li<T<ildica Smith. 



Nothylaeus heraldicus (Smith). 



*{}''r()sopis lierdldira Smith. Cat. Tlyiii. V>v\t. Mus. 1 ::!,■> 9 

 Cope of Good Hope IS,").'!. 



This species was taken in nund)ers visiting the flowers of 

 various species of Aloe in the botanical garden in Capetown. 



